dream up

VERB
8 LETTERS · STARTS WITH D

dream up is a valid 8-letter word worth 12 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2R1E1A1M3U1P3
2 + 1 + 1 + 1 + 3 + 0 + 1 + 3 =12 PTS
DOUBLE WORD → 24TRIPLE WORD → 36
MEANING

What does dream up mean?